Heap-based Buffer Overflow Affecting jansi package, versions *


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.14% (4th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-JANSI-17372930
  • published18 Jun 2026
  • disclosed16 Jun 2026

Introduced: 16 Jun 2026

CVE-2026-8484  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

There is no fixed version for Debian:unstable jansi.

NVD Description

Note: Versions mentioned in the description apply only to the upstream jansi package and not the jansi package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

A heap buffer overflow vulnerability exists in the Jansi JNI "ioctl()" wrapper due to a lack of size verification for the argument array before the system call. This can lead to heap corruption and application crashes (DoS). All versions are believed to be vulnerable. This project is unmaintained at the time of CVE assignment.

CVSS Base Scores

version 3.1